Reverse osmosis is one of the most cost effective and efficient ways to remove the majority of all contaminants from your water. Ideal H2O® Reverse Osmosis Water Filtration Systems produce up to 200 gallons per day of ultra-pure, low parts per million (PPM) water. These 3 Stage RO systems remove up to 98% of chlorine, 30% of chloramine and 90% of sediment, silt and rust. The Ideal H2O® Systems include a high quality poly spun sediment pre-filter and an eco-friendly coconut carbon pre-filter. Ideal H2O® RO Systems also come with a 1:1 clean water to waste water ratio flow restrictor. This process wastes 40% less water than other RO systems on the market. Includes incoming PSI gauge. Proudly assembled in the U.S.A.